Hemimelitene
[化] 半┯(俗称); 连三甲苯; 1,2,3-三甲苯
🗣️ 情景例句
You haven't been around much lately.
最近你在家的时候不多。
Before you go on, I have a question.
在你接着干之前，我有一个问题。
The problem now facing humanity is: What is going to be done with all this knowledge?
用这些知识去做什么？